{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x7d8cdffa11519be287cf17ef55cfb512ff043f0e1c05bbcbeceb73366bb2f893",
    "signature": "0x7e16f425cc9fe4c1ecfc1d377a270389c8160ab1019cdb16f5392087843965621b18290a38582e6b734617bea5ef64d42a52819db64ef4ed5120229f8821c5781b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}